/*
 * MIT License
 *
 * Copyright (c) 2021 cao.yong<cymsn81@126.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package org.cy.websocket.stomp.messaging;

import java.util.ArrayList;

/**
 * Created in 2021-05-09 21:19
 *
 * @author cao.yong
 */
public class DefaultContentResult extends ArrayList<Object> implements ContentResult {
    private int size;

    @Override
    public void add(byte[] bytes) {
        this.size += bytes.length;
        super.add(bytes);
    }

    @Override
    public void add(byte b) {
        this.size++;
        super.add(b);
    }

    @Override
    public byte[] toByteArray() {
        byte[] result = new byte[this.size];
        int position = 0;
        for (Object o : this) {
            if (o instanceof byte[]) {
                byte[] src = (byte[]) o;
                System.arraycopy(src, 0, result, position, src.length);
                position += src.length;
            } else {
                result[position++] = (Byte) o;
            }
        }
        return result;
    }
}
